Marin Islands from Mount Tam, February 2026.JPG
Pi.1415926535 · CC BY-SA 4.0

Hogback Road–Hoo-Koo-E-Koo Fire Road, 4 sights is a 6.1-mile out-and-back in Mount Tamalpais Watershed near Mill Valley, CA. It climbs 1,797 ft, with sections as steep as 31% grade, and is mostly dirt. It scores 52/100 on the Ambleway Wildness scale: backcountry feel.

Elevation

0 mi1,093 – 2,300 ft · steepest grade: 31%6.4 mi

Getting there

Trailhead: Unnamed 37.91381, -122.58025
Nearest town Mill Valley, CA

Directions

AMBLEWAYwww.ambleway.com

Hogback Road–Hoo-Koo-E-Koo Fire Road, 4 sights

6.1 mi · ▲ 1,797 ft · 2 hr 56 min

Elevation 1,094–2,299 ft

Out & Back · Mount Tamalpais Watershed

Trailhead: 37.91381, -122.58025

Weather Aug 5: Fog, high 70°F / low 53° · precip 3% · wind 8 mph · sunrise 6:18 AM · sunset 8:16 PM

Transit-accessible: Panoramic Highway & Edgewood Avenue stop 461 m from the trailhead · Drinking water at the trailhead

  1. Start at the trailhead, heading N.
  2. 50 ftContinue straight onto Hogback Road, heading N.
  3. 0.3 miTurn left onto Old Railroad Grade Fire Road, heading W.
  4. 0.5 miBear right onto Miller Trail, heading W.
  5. 0.6 miTurn right onto Collier Spring Trail, heading W.
  6. 0.3 miTurn right onto Northside Trail, heading N.
  7. 1.5 miSharp right onto East Peak Fire Trail, heading N.
  8. 0.1 miBear left onto Eldridge Grade Fire Road, heading SE.
  9. 0.3 miBear left, heading E.
  10. 150 ftBear left onto Indian Fire Trail, heading E.
  11. 0.1 miSharp right onto Eldridge Grade Fire Road, heading NE.
  12. 0.2 miContinue straight onto Wheeler Trail, heading SE.
  13. 0.5 miTurn left onto Hoo-Koo-E-Koo Fire Road, heading E.
  14. 0.7 miSharp right onto Old Railroad Grade Fire Road, heading W.
  15. 0.6 miTurn left onto Hogback Road, heading SW.
  16. 0.3 miSharp right onto Matt Davis Trail, heading SW.
  17. 50 ftTurn left onto Hogback Road, heading SW.
  18. 50 ftArrive back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Trail surface

68% dirt13% gravel19% unspecified

Weather

FogTemperature 70°F53°
Precip3%Wind8 mphUV8Humidity100%
Hourly temperature
70°50°
Sunrise 6:18 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:16 PM
Wed 66°53°
Thu 68°52°
Fri 72°51°
Sat 71°51°
Sun 71°51°
Mon 64°51°

Sunset

The best sunset spot on this hike is 1.6 mi in (~76 min). Leave by 6:41 PM for the 8:16 PM sunset. Back at your car by 9:16 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • Transit-accessible: Panoramic Highway & Edgewood Avenue stop 461 m from the trailhead
  • Drinking water at the trailhead

Other ways to reach this destination

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